Demcuntable rim



Dec. 2;"1924. 1,518,047

A. W. BUMSTEAD nsmounnsw' am Filed Oct. 6., 1923 v INVENTOR 41KB vzms T5611) BY Y ATTORNEYS v 40 Figure 1;

Patented Dec 2, 1924.

hide? ALBERT WILLIAM noirsrr 'an, on NEW isnrrarneoicnncrrou'r, Assmnonon one HALF 'ro 31mm r. rrsontna, on NEW BRITAIN, CQNNEilTICU'llinnivrounranrzniaira.

Application filed. (Potooer 6, i923. Seritil Np. 667,025.

To all whom it may concern:

Be it known that I. ALBERT W. BUMsrEAI),

i vehicle wheels, and has particular refer-' ence to a demountable rim therefor. 4 An object of the invention is to provide a. demountable rim of simple and durable construction, which may be readily and quickly removed from a, wheel and applied thereto and which, when in its operative position,

will be securely held againsV'lateral-or circumferential displacement with rspect to j the wheel. 1

Another object is to provide a locking device for the rim which will render it'ex tremely diiiicult for unauthorized persons to remove the rim and tire mounted thereon from the wheel. 1

The above and other objects will. appear I more clearly from the following detail description when taken in connection with the I aceomparlfving drawing, which illustrates a preferred embodimentof the inventive idea.-

' In the drawing- I Figure 1 is a, fragmentary side elevation of a vehicle. wheel, partly broken away and shown in section,- and illustrating the'des mountable rimapplied thereto;

Figure 3 is a section on the line 3-3 of Figure 1 V Figure 4 is a section on the line 4-4 of Figure 5 is a section on the line 5-5 of Figure;

Figure 6 is a section on the lin 6-6 of Figure 4:; and

,45' Figure-7 s a Referring more particularly to the accompanyin drawing, the numeral-7 indicates generallya vehiclewheel which, in thepresfragmentary planview v '59 ent embodiment, is shown as a wooden wheel including the spokes 8 and telly 9. ."It will be understood, of course, that the invention may beapplied with equal facility to other -forms of wheels, such as wheels, with Figure 2 is a section on the line 2-2 of 'h I 1 out departing from the spir t or scope of the invention. i

The invention. comprises a telly band having an a inular flange 11 projecting lat orally froni-oneedge thereof and engaging one-side of the felly 9','the opposite edge of said 'hand having a rim erlgaging flange '12 designed to engage the demountable i 13. This rim-13 may be of the usual type having the s lit joint, for the purpose of mounting an removing a tire therefrom and its sides le -may be adapted for straight side tires, asshown in the drawing, or may be formed to receive other types 0t tires.

At intervals about the inner surface or periphery of the rim and intermediate the circumferential edges thereof the same is:

providedwith inwardly extending lugs 15 each-tapered to provide an inclined surface- 16' designed to engage the inclined'surface of a similarly shaped lug 17 formed on the outer surface of the telly band 10. The various adjacent lugs 15 and 17 are arranged to engage each other and wedge the rim in its operative or mounted position and in this manner said rim is effectively prevented from having any lateral play with respect to the wheel. The rim is provided withan elongated slot 18, which registers with a similar slot 19 formed in the telly and felly band, said registering slots being designed to receivethe valve stem of a tire (not shown). v

'Ata'convenient point on the run the same is provided with an arcuate rack 20. which may be riveted or otherwise secured to the rim and the teeth of which project into the spacebetween the rim and the vtelly band 10. Adjacent the rack 20 the folly 9 is provided with a transverse opening 21- in which a bushing 22 is mounted, Said bushing extendin'g atone end "through the flange inland be,

ing provided on said'end with'an enlargea menti23 for receiving a head 24 of a,bolt.25

" which is rotatably mounted in said bushing.

bolt. 25j may"besecured against rota 'tibnlijnj-its' bushingby'means of a nut '26 4 threaded on-theend of saidbolt oppositethe end 24 and-iengageable with a washer 27hrterp'osedhe'tween said; nut andlthe adjacent side ofithe felly .9; lntermediatethejends of the bolt 25 the samehas secured thereto, in any preferred manner irigear wheel "'28 movable in a recess29 termed in the felly 9 and engageable with the rack 20. By this construction, it will be obvious that rotation of the gear 28 in either ,irection will impart through the medium oi the rack 20 a circumferential movement to the rim 13. The bolt 25 may be rotated by first loosening the nut 26 slightly and thereafter engaging any suitable tool, such as a crank handle or',a wrench, with the head 24. By rotating the bolt in a clockwise di reetion, as viewed in Figure 1, it will be obvious that a similar moven'ient will be imparted to the riln l3 and this movement may be continued until the various lugs 15 and 17 have passed beyond or out of transverse alignment with each other. Following this movement of the rim the same may be forced laterally from the wheel and disengaged therefrom in the usual well known manner. At suitable intervals about the periphery of the felly band 10 the same may be provided with studs 30, said studs being preferably introduced between adjacent lugs 17 so as to aid in properly spacing the rim irom the folly band and to support said rim against any undue inward pressure thereon.

Means are further provided in connection with the invention for lockng the rim in its operative position upon the wheel and preventing undue circumferential moyement of said rim which might be occasioned by wear upon the various parts. This means preferably includes a projection 31 formed upon the inner periphery of the rim and en gageable by theouter end of a latching pin 32, which is slidably and rotatably mounted in a bushing extending transversely through the telly 11. The outer end of the latching pin 32 is provided with an eccentric head 34, which isv normally disposed in the path of movement and engageable with the projection 81 to prevent a turning movement of the rim neeessaryto remove said rim fromthe wheel. This latching pin is normally held in its latching position by means of a coil spring 35 interposed between the. enlarged portion of the latching pin and the inner end of the bushing 33, as clearly shown in Figure 4. By providing the latching pin 32 with the eccentric head 34,,it will be obvious that while the rim is in its operative position that should any circumferential movement of the rim on the wheel be occasioned by wear on the projection 31 or head 34, the latter may be given a slight rotation so as to again tightly engage the head with said projection. In order to maintain the latching pin in an adjusted position after being rotated, a transverse pin 36 is extended through the latching member and is engageable with any-one of a )lurality of grooves 37 formed in the enlarged head 38 ofthe bushing 33. To prevent an unauthorized person from removing the run from the wheel a locking device, conventionally illustrated at 39, is mounted in the folly 9 and includesa locking pin 4. which may be projected through the bush-- ing 33 at a point intermediate its ends and engaged in an annular groove ll formed in the latching member 32 and Winn so ongaged, it will be apparent that said member cannot be moved longitudinally of the bush ing in which it is mounted to withdraw the head 34 "from the path of movement oi the projection 31 to enable the rim to be rotated in a clockwise direction preparatory to its being removed 'from the wheel, as previously described.

What is claimed is:

1. In a vehicle wheel. a any, a telly band having lugs thereon, a demountablc rim hav ing lugs engageable with the aforesaid lugs to retain the rim against lateral movement relative to the telly band, said rim also having a projection on its inner periphery, a bushing extending radially through the folly of said wheel, a latching member having both longitudinal and rotary movements with respect to said bushing and provided on one end thereof with'a'head disposed in the path of movement of theprojection on said rim when the latter is rotated with respect to said fel-ly band to disengage said lugs from each other, yieldable means for retaining said latching member in latching position, and means carried by the felly and extending through said bushing into engage ment with said latching member to lock the same in looking position.

2. .-.In a vehicle wheel, a felly, a lelly band havijig lugs thereon, a den'iountable rim havil'ng lugs engageable with the aforesaid lugsiito retain the'rim against lateral move ment relative to said te ly band, said rim alsoj'having a projection upon its inner periplrery, a bushing extendingradially throi'ugh the folly of said wheel. a latching: meniber having both longitudinal and rotary movements with respect to said bushing and provided with an eccentrieally disposed head engageable with the projection on said rim to limit rotation in one direction of the rim with respect to said telly band to disen gage said lugs from each other, means carried by said latching member and engageable. with said bushing to normally prevent rotation of said latching member and disengageable from said bushing by a longitudinal movement of said latching member to permit of rotation of said head, meansfor yieldahly maintaining said latching member in latching position, and a locking device carried by said felly and engageable with said latching, member to prevent longitudinal movement thereof in said bushing.

ALBERT WILLIAM BUMSTEAD. 

